Aleo P23 Kurulum Kılavuzu - Sayfa 9

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9 Electrical installation

9.1 Connectors

WARNING!

Incompatible or unsuitable connectors can

overheat. Fire hazard!

• Only use connectors that are the same type and

from the same manufacturer.

• Avoid using different types of connectors or ones

from different manufacturers, even :

- if connecting is possible

- if the connectors have the same basic

designation (e.g. "MC4") or

- if they are designated as "compatible".

______________________________________________

You can find more details on this in the next two sections

9.1.1 Module connectors

The various module types can be fitted with the following

connectors:

• Original Multicontact

• PV-JM601 (with locking)

You can find the specific connectors in the module data

sheet.

9.1.2 Connector peculiarities

NOTE

• Original Multicontact® MC4 connectors

• Only plug original Multicontact

connectors into original Multicontact

connectors.

• PV-JM601 connectors

• Only plug PV-JM601 connectors into PV-JM601

connectors.

9.1.3 Replacing the connectors

9.2

Laying the string cables

You can remove the connector on a module and replace

it with another connector, which is released by aleo (see

Chapter 9.1.2) if necessary. You retain the manufactu-

CAUTION!

ring warranty if you remove and mount with approved

tools in the proper way and according to the connector

Brittle fractures in junction boxes due to contact

manufacturer's instructions.

with unsuitable connection cables: Risk of fire!

• Only use connection cables without plasticisers.

9.2

Laying the string cables

CAUTION!

NOTE

• Avoid any tensile and pressure loads on the junction

Brittle fractures in junction boxes due to contact

box when mounting.

with unsuitable connection cables: Risk of fire!

• When mounting, avoid heavy tensile loads on any

• Only use connection cables without plasticisers.

connectors already plugged in.

______________________________________________

The original Multicontact® MC4 connectors are referred to as "MC4" in the data sheet.

NOTE

• Bend the cables from the connector at least 4 cm

after they exit from the connector.

aleo solar GmbH | Marius-Eriksen-Straße 1 | 17291 Prenzlau | Germany | [email protected]

Quick Reference Manual Rel. 4.7, 08/2020, EN

• Bend the cables from the junction box as well, at

MC4 (with locking)

MC4

NOTE

• Avoid any tensile and pressure loads on the

junction box when mounting.

• When mounting, avoid heavy tensile loads on any

connectors already plugged in.

NOTE

• Bend the cables from the connector at least 4 cm

after they exit from the connector.

• Bend the cables from the junction box as well, at

least 4 cm after they exit from the connector.

• This keeps the cables waterproof at the cable

outlet.

Observe the guidelines on laying the respective cables.

Lay all cables ensuring that:

•

You adhere to the minimum bend radius (e.g.

5-fold cable diameter3).

•

You avoid laying near sharp corners and edges or

protect the cables accordingly.

• cables must not lay between module backside and

mounting system parts.

•

You protect them from direct sunlight and

precipitation.

• You secure the cables with UV resistant cable clips

or other suitable cable fasteners which protect the

cable insulation.

• Cables from module strings are laid as near to

each other as possible to minimise the effects of

being struck by lightning.

9.2.1 Weather protection

NOTE

•

Lay the cables so that they exit the junction box

from below. This prevents water, which runs along

the cable, from collecting at the point where the

cables exit the junction box.

• For modules mounted horizontally, lay the cables

in a U-form away from the junction box.

• Modules mounted vertically do not usually need

any additional adjustments.

Fig.2 U-form cables at the junction box for a horizontally

Fig.2

U-form cables at the junction box for a horizontally

mounted module

Lay cables carefully to protect against damage from:

Some countries specify a larger bend radius, e.g. 8-fold wire diameter in the USA (NEC

• Direct environmental factors, such as precipitation

Codebook 2011).

• movement (e.g. from wind)

For attaching the cable clip, use a suitable tool which can fully tighten at a defined

low force. Avoid cable clips and tools which constrict or damage the cable insulation

• Indirect environmental factors, e.g. snow or ice,

when tightening.

which slip down behind the modules, and

• Chaffing on the insulation due to the cable moving

(e.g. from wind or ice).

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